Home / 19,864.83-27,405.63-12,795.36

Finding the Fourth Proportional to 19,864.83, 27,405.63 and 12,795.36

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Solution

The fourth proportional to 19,864.83, 27,405.63 and 12,795.36 is: 17,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.83 : 27,405.63 = 12,795.36 : x
  2. Step 2: Convert to fraction form
    19,864.83/27,405.63 = 12,795.36/x
  3. Step 3: Cross multiply
    19,864.83x = 27,405.63 × 12,795.36
  4. Step 4: Simplify right side
    19,864.83x = 350,664,901.88
  5. Step 5: Solve for x
    x = 350,664,901.88/19,864.83
  6. Step 6: Final answer
    x = 17,652.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.